22133321112 has 64 divisors (see below), whose sum is σ = 63255456000. Its totient is φ = 6322066560.

The previous prime is 22133321051. The next prime is 22133321137. The reversal of 22133321112 is 21112333122.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 672562 + ... + 704702.

It is an arithmetic number, because the mean of its divisors is an integer number (988366500).

Almost surely, 2^22133321112 is an apocalyptic number.

It is an amenable number.

22133321112 is an abundant number, since it is smaller than the sum of its proper divisors (41122134888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22133321112 is a wasteful number, since it uses less digits than its factorization.

22133321112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36256 (or 36252 counting only the distinct ones).

The product of its digits is 432, while the sum is 21.

Adding to 22133321112 its reverse (21112333122), we get a palindrome (43245654234).

The spelling of 22133321112 in words is "twenty-two billion, one hundred thirty-three million, three hundred twenty-one thousand, one hundred twelve".